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    org.apache.http.config.Lookup class is in httpcore-4.3.jar not in httpclient-4.3.1.jar

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java.lang.NoClassDefFoundError: com/gargoylesoftware/htmlunit/Page  	at java.lang.Class.forName0(Native Method)	at java.lang.Class.forName(Class.java:164)	at org.openxava.annotations.parse.AnnotatedClassParser.fillManagedClassNamesFromFileClassPath(AnnotatedClassParser.java:2205)	at org.openxava.annotations.parse.AnnotatedClassParser.fillManagedClassNamesFromFileClassPath(AnnotatedClassParser.java:2199)	at org.openxava.annotations.parse.AnnotatedClassParser.fillManagedClassNamesFromFileClassPath(AnnotatedClassParser.java:2199)	at org.openxava.annotations.parse.AnnotatedClassParser.fillManagedClassNamesFromFileClassPath(AnnotatedClassParser.java:2199)	at org.openxava.annotations.parse.AnnotatedClassParser.fillManagedClassNamesFromFileClassPath(AnnotatedClassParser.java:2199)	at org.openxava.annotations.parse.AnnotatedClassParser.fillManagedClassNamesFromFileClassPath(AnnotatedClassParser.java:2199)	at org.openxava.annotations.parse.AnnotatedClassParser.obtainManagedClassNamesFromFileClassPath(AnnotatedClassParser.java:2184)	at org.openxava.annotations.parse.AnnotatedClassParser.friendMetaApplicationGetManagedClassNames(AnnotatedClassParser.java:2156)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:585)	at org.openxava.util.Objects.execute(Objects.java:193)	at org.openxava.util.Objects.execute(Objects.java:94)	at org.openxava.application.meta.MetaApplication.generateDefaultModulesFromJPAEntities(MetaApplication.java:96)	at org.openxava.application.meta.MetaApplication.generateDefaultModules(MetaApplication.java:71)	at org.openxava.application.meta.MetaApplication.getMetaModules(MetaApplication.java:65)	at PortletXmlPG.generate(Unknown Source)	at PortletXmlPG.main(Unknown Source)	at PortletCodeGenerator.run(Unknown Source)	at PortletCodeGenerator.main(Unknown Source)